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In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.

1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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In this sunny day experiment, learners measure and compare how quickly light and dark colored materials absorb heat.

$5 - $10 per group Ages 8 - 14 10 to 30 minutes
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A group of learners models the Sun shining on the Earth. By rotating the Earth, they demonstrate how the Sun only shines on a portion of the Earth at a time.

free Ages 8 - 11 10 to 30 minutes
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In this activity (page 11 of PDF), learners compare the air pressure within a dark and a light bottle both heated by the sun, and discover that solar energy can be collected and stored in many ways


$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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This activity generates learner excitement about light through the creation of a room-sized rainbow.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners use candy pieces and a cookie to make an accurate model of the Sun they can eat. Parts of the delicious model include solar granules, sunspots, and solar prominences.

$1 - $5 per student Ages 6 - adult 10 to 30 minutes
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In this physics activity (page 4 of the PDF), learners will construct their own spiral "snake" and use it to explore the relationship between heat and kinetic energy.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes